RESEARCH ON FATIGUE CRACK PROPAGATION CHARACTERISTICS AND REMAINING LIFE AT THE TOOTH ROOT OF A GEAR by GAO Yun, YANG LiuQing, LIU Shuai, CHEN WenHua, ZHOU Xun

“…The crack block and the non cracked block is connected by a multi-point constraint. …”
Get full text

Fractal Acoustic Metamaterials with Subwavelength and Broadband Sound Insulation by Yu Liu, Meng Chen, Wenshuai Xu, Tao Yang, Dongliang Pei, Heng Jiang, Yuren Wang

“…Using the finite element method and the S-parameter retrieval method, the band structures, the effective parameters, and the transmission losses of these acoustic metamaterials with different fractal orders are researched individually. …”
Get full text

Measurement of Coherence Bandwidth in UHF Radio Channels for Narrowband Networks by Jaroslaw Sadowski

“…This paper presents results of investigation on the coherence bandwidth of narrowband radio channels in 430 MHz band. The coherence bandwidth values were estimated from a power delay profile obtained by recording CDMA2000 forward channel signals during real-field measurements in various environments: medium city, flat terrain, and hilly terrain in northern Poland. …”
Get full text

Association of Influenza Virus Proteins with Membrane Rafts by Michael Veit, Bastian Thaa

“…Virus assembly is orchestrated by the matrix protein M1, binding to all viral components and the membrane. …”
Get full text

Studying Engineering Characteristics of Asphalt Binder and Mixture Modified by Nanosilica and Estimating Their Correlations by Moein Hasaninia, Farshad Haddadi

“…The objective of this research was to investigate rutting and fatigue distresses in asphalt containing 2, 4, 6, and 8 percent of nanosilica (NC) and to find out the correlation between engineering properties of the modified binder and mixture asphalt. …”
Get full text

Modeling Method and Inherent Characteristic Analysis of Cycloid Pin Gear Transmission by Xueping Song, Aibin Bi, Bowen Lu

“…The cycloid pin wheel drive system is taken as the research object， and the nonlinear dynamics model of bending torsion coupling is established by using the method of concentrated mass. …”
Get full text

Flexible Sierpinski Carpet Fractal Antenna on a Hilbert Slot Patterned Ground by Vasa Radonić, Keith Palmer, Goran Stojanović, Vesna Crnojević-Bengin

“…This paper presents a novel design of fractal antenna on a flexible substrate that operates in UMTS band (universal mobile telecommunication system, 1.92–2.17 GHz). …”
Get full text

Analysis of stability condition for LDPC codes and optimizing degree sequences over mixed channel by Kang-ning SUN, Lin-hua MA, Le RU, Wen-tong FAN, Xing HU, Shao-cheng HUANG

“…Under the circumstance that white Gaussian noise and random erasures exist all at once,the stability condition for LDPC codes over mixed channel was proposed.And it was proved that a good degree sequence of LDPC codes was not optimized over mixed channel.It can also be proved by simulation.The random particle swarm optimization (RPSO) and simulated annealing (SA) algorithm were combined to find some capacity-approaching degree sequences over mixed channel with different erasure probabilities.The threshold of signal-to-noise ratio improves 1.615 9 dB than that of the classical degree sequences calculated by Gaussian approximation over mixed channel.These degree sequences are optimal for optical recording and frequency-hopping communication with narrow-band interference.…”
Get full text

Synthesis of Vibration Waves Based on Wavelet Technology by L.H. Zou, A.P. Liu, X. Ma, C. Zhang, K. Huang

“…Considering the frequency band energy as the criterion, synthesis formulas for fluctuating wind pressure and earthquake ground motion are developed in terms of Daubechies wavelet and Harr wavelet respectively. …”
Get full text

Dynamic Response and Its Frequency Domain Characteristics of Lateritic Soil Subgrade under Traffic Load during Construction by Wei Bai, Kun Mu, Lingwei Kong, Wenbo Zhang, Xiu Yue

“…The acceleration has the greatest impact on the vibration energy in the third and fourth frequency bands.…”
Get full text

Evaluation of Iron Ore Deposits in Elayiram Pannai, Sattur Taluk, Virudhunagar District and Tamilnadu using 2D Electrical Resistivity Imaging by Ravindran A Anthony

“…2D Electrical Resistivity Imaging (ERI) investigation is suitable method to determine the geotechnical problems and it is used to identify the iron ore deposits. 2D Electrical Resistivity Imaging with Wenner array was conducted within the iron ore deposits area in Elayiram Pannai, Virudhunagar District, Tamilnadu.The geology of the were developed into the picture image of pseudosection by using RES2DINVsoftware. The banded iron ore deposits are highly conductive and can be easily distinguish from pseudosection image contrast of the rocks in the studied area. …”
Get full text

Fatigue life prediction of pedicle screw for spinal surgery by Š. Major, V. Kocour, P.Cyrus

“…These changes often lead to further bending load in the thread. Hollow screws studied in this work show higher fatigue resistance than other types of implants.…”
Get full text

Doppler Positioning Performance of LEO Mega Constellation by Yulu ZHANG, Zhen LI, Chuang SHI, Guifei JING

“…This paper proposed a Doppler-only point-solution algorithm and analyzed the Doppler positioning performance based on the Starlink constellation.The Doppler positioning accuracy was about 3～6 m.To achieve the meter-level positioning accuracy, the satellite position and velocity errors should be within several meters and several centimeters per second, respectively.The ionospheric delay rates of C-band signal would cause about 2 m error in Doppler positioning.The positioning error would increase by dozens of meters if there were no corrections for the tropospheric errors.To ensure convergence in the LEO-based Doppler positioning, the initial receiver position error should be less than 300 km when the satellites orbit at an altitude of 550 km.…”
Get full text

Stiffness Calculation for Negative Moment Region of Steel-Concrete Composite Beams considering the Influence of Cracking and Interface Slip by Wenlong Cao, Jianqing Bu, Cunbao Zhao, Xueyan Wang, Liping Zhang, Jiren Zhang

“…Concrete cracking and interface slip decrease the bending stiffness of steel-concrete composite beams (SCCBs) in the negative moment region. …”
Get full text

Le cas du metal symphonique, entre dégénérescence d’un art de l’extrême et exaltation du culte de la puissance by Jason Julliot

“…However, by adding all the power of a symphony orchestra to the metal band, by appropriating the codes of neo-Hollywood symphonism, and by designing oversized gigs, the symphonic metal musician seems to be part of a “cult of power”.…”
Get full text

Bound states and atomic interaction in giant atom waveguide QED with dispersive coupling by Mingzhu Weng, Zhihai Wang

“…We demonstrate the relative position dependent atomic coupling and explore its application in the state transfer. We find that the transfer fidelity of a superposition state can approach 0.999. …”
Get full text

Key Considerations in the Modeling of Tropical Maritime Microwave Attenuations by Yee Hui Lee, Yu Song Meng

“…Our studies also show that the refracted ray inside evaporation duct could be a strong ray for short-range near sea-surface applications and needs to be properly evaluated.…”
Get full text

Electronic Properties of Antiperovskite Materials from State-of-the-Art Density Functional Theory by M. Bilal, S. Jalali-Asadabadi, Rashid Ahmad, Iftikhar Ahmad

“…The electronic structures are used to explain different physical properties of materials; therefore it is crucial to understand band structures and densities of states of materials for their effective use in technology. …”
Get full text

Design and Fabrication of Hydraulic Scissor Lift Platform. by Muhindo, Boneface

“…Scissor lifting machine is hydraulically operated with makes lifting simple by eluding bending onward to lift manually because the table is regulating to be lifted at a preferred height. …”
Get full text

Design and Fabrication of Hydraulic Scissor Lift Platform. by Muhindo, Boneface

“…Scissor lifting machine is hydraulically operated with makes lifting simple by eluding bending onward to lift manually because the table is regulating to be lifted at a preferred height. …”
Get full text